Thesis (doctoral)--Universität Göttingen.

Thesis (M.S.)--University of Wisconsin--Madison, 1946. / Typescript. eContent provider-neutral record in process. Description based on print version record.

Thesis (M.A.) B.Y.U. Dept. of Music.

Thesis (M.A.) B.Y.U. Dept. of Music. / Electronic thesis. Also available in print ed.

We propose a biochemically plausible mechanism for constructing digital logic signals and gates of significant complexity within living cells. These mechanisms rely largely on co-opting existing biochemical machinery and binding proteins found naturally within the cell, replacing difficult protein engineering problems with more straightforward engineering of novel combinations of gene control sequences and gene coding regions. The resulting logic technology, although slow, allows us to engineer the chemical behavior of cells for use as sensors and effectors. One promising use of such technology is the control of fabrication processes at the molecular scale. / DARPA/ONR Ultrascale Computing Program under contract N00014-96-1-1228 and by the DARPA Embedded Computing Program under contract DABT63-95-C130.

Threshold logic gates have the capability of realizing complex Boolean functions with smaller number of logic gates [1]. These gates are very sensitive to their weight values which may change during manufacturing process. So Threshold logic gates should be carefully designed to allow for maximum deviation from desired design weight values without affecting its functionality . This maximum allowable deviation is known as Fault Tolerance of the gate. ILP is one of the methods to find the optimum weight values with fault tolerance. But ILP has inability to solve the threshold functions with large inputs. This thesis presents two methods to overcome this difficulty.First one is the Combination method which combines the procedures of both decomposition method and ILP method .Second one is the Variable collapsing method which uses the principle of Variable Collapsing to find weights values with fault tolerance for large input functions.

Yes / Coherent spaces spanned by a nite number of coherent states, are introduced. Their coherence properties are studied, using the Dirac contour representation. It is shown that the corresponding projectors resolve the identity, and that they transform into projectors of the same type, under displacement transformations, and also under time evolution. The set of these spaces, with the logical OR and AND operations is a distributive lattice, and with the logical XOR and AND operations is a Boolean ring (Stone's formalism). Applications of this Boolean ring into classical CNOT gates with n-ary variables, and also quantum CNOT gates with coherent states, are discussed.

Geometric and holonomic quantum gates perform transformations that only dependon the geometry of a loop covered by the parameters controlling the gate. Thesegates require adiabatic time evolution, which is achieved in the limit when the looptakes infinite time to complete. However, it is of interest to also know thetransformation properties of the gates for finite run times. It has been shown [Phys.Rev. A 73, 022327 (2006)] that some holonomic gates for a trapped ion system showrevival structures, i.e., for some finite run time the gate performs the sametransformation as it does in the adiabatic limit. The purpose of this thesis is to investigate if similar revival structures are shown alsofor geometric and holonomic quantum gates for spin systems. To study geometricquantum gates an NMR setup for spin-1/2 particles is used, while an NQR setup forspin-3/2 particles is used to study holonomic quantum gates. Furthermore, for thegeometric quantum gates the impact of some open system effects are examined byusing the quantum jump approach. The non-adiabatic time evolution operators of thesystems are calculated and compared to the corresponding adiabatic time evolutionoperators by computing their operator fidelity. The operator fidelity ranges between0 and 1, where 1 means that the gates are identical up to an unimportant phasefactor. All gates show an oscillating dependency on the run time, and some Abeliangates even show true revivals, i.e., the operator fidelity reaches 1.

Changes in the bed of Geum River (L=130 km from Daechung regulation dam to Geum River estuarial bank) in South Korea were predicted using the 1-D HEC-RAS model and the 2-D CCHE2D model. Three movable weirs have been installed and dredging has been carried out in Geum River under the Four Major Rivers Restoration Project (2009-2012). Inflow data of sub basins were calibrated with daily runoff data generated by PRMS based on a hydrologic unit map. To determine the gate opening height for maintaining the management water level, unsteady analysis was performed using HEC-RAS. Thereafter, long-term riverbed changes through quasi-unsteady analysis were simulated for 20 years. In order to investigate the effect of movable weirs, sediment analysis was done for three cases of gate opening: case 1 is fully close, case 2 is fully open, and case 3 is regulating gates by the operating rule. Also, short-term riverbed changes were predicted with CCHE2D for 11 days in the problem area, depending on the results of 1-D model, and the effect of dikes was examined. In future, gate operation and structural methods such as dikes must be in step with each other in order to manage sediment and rivers in an ecofriendly manner.

Thesis (Ph. D.)--University of Chicago, Department of Art History, August 2000. / Includes bibliographical references. Also available on the Internet.